Sheriff Deputies in the counties of Boulder, Eagle and Grand, Colorado fight crime in America’s most rugged terrain: The Rocky Mountains. Intense manhunts by foot, skis and snowmobiles; attempting to solve complex murders and drug running mysteries, are all in a day’s work while trying to keep the Rockies one of the most beautiful places on earth. Follow officers as they protect and serve both the residents and the majestic mountains.

A look at the hunt for California’s Zodiac Killer, who murdered at least five people in the San Francisco Bay Area in the late 1960s and early ’70s.

Adventurers and their teams battle Mother Nature to build unique homes in remote areas. From unpredictable weather to encroaching wildlife, will they build in time to beat their deadlines?

From a 1969 Chevy Nova to a race-ready farm truck, the vehicles – and their drivers – come in all shapes and sizes and have one thing in common: the need for speed. But according to the STREET OUTLAWS of Oklahoma City – home to one of the largest undercover street racing rings in America – if you’re not on “the list,” you don’t matter. The “list” contains the 10 fastest street-racing cars in Oklahoma City and they are the best of the best. Not only will these guys will do anything -ANYTHING- to get ranked on this list, they’ll do whatever it takes to STAY ranked. Street racing comes first – before family, before friends and before work. The stakes are high and these drivers will put everything on the line to get to top, where there can only be one #1.

Worst Cooks in America is a reality competition show on the Food Network. The show takes 12 to 16 contestants with poor cooking skills through an eight-week culinary boot camp, to earn a cash prize of $25,000. The recruits are trained on the various basic cooking techniques including: baking, knife skills, temperature, seasoning and preparation. The final challenge is to cook a restaurant quality three-course meal for three food critics.

Follow the lives of two competitive cheerleading squads and their fierce, hardworking coaches, Lexington Kentucky’s Dunbar High School coach Donna Martin and her daughter, Ole’ Miss head coach, Ryan O’Connor. While Donna pushes her team to new heights to return Dunbar to its former glory of reigning champs, Ryan is fighting to earn the respect of her peers, her collegiate team and her mother.

Viva La Bam was an American reality television series that stars Bam Margera and his friends and family. The show was a spin-off from MTV’s Jackass, in which Margera and most of the main cast had appeared. Each episode had a specific theme, mission, or challenge which was normally accomplished by performing pranks, skateboarding, and enlisting the help of friends, relations and experts. Although partly improvised, the show was supported by a greater degree of planning and organization.

Follow Award-winning pool designer Lucas Congdon and his crew as they tackle unprecedented designs, challenging clients, malfunctioning equipment, weather crises, unforgiving materials, and much more in their quest to build breathtaking natural wonders in every day backyards.

There is a fortune buried deep in the ancient forests surrounding the small town of Falls City, Oregon…but only a few men know how to find it. For 10 weeks every year, they are on the hunt for one of the most expensive foods in the world, a delicacy that the Roman emperor Nero dubbed the “Food of the Gods:” black truffles. For the foragers of Oregon, truffles are more valuable than gold. For the first time ever, we’ve gained exclusive access to a secret underworld of foragers and backwoods entrepreneurs. This season, an historic drought ravages Oregon, choking off the usually abundant wild black truffle crop, and winter arrives early. With the truffle supply at an all time low, the price is predicted to hit an all time high. With increased competition between the foragers and even more diggers seeking riches, the truffle men of Oregon will be pushed to their limits to survive.

In the desolate outreaches of Bristol Bay, Alaska, the most competitive fishing season on Earth takes place throughout four short weeks. 1,800 captains and their crews draw the battle lines to help save Alaska’s ecosystem by reeling in a massive sockeye salmon payday. With potential fortune swimming just below the surface, five captains prepare to battle the unforgiving bay, the battering ram of boats jockeying for position and the law, which strictly monitors the season with recon choppers and police squads. On the bay, fishing for the nearly 44 million salmon is necessary for the environment, and arm of the law is long, tempers are short and every single decision is the difference between drawing a huge income and settling for pennies.

In the depths of the Panamanian jungle an American entrepreneur and hundreds of young people are building the “world’s most sustainable modern town.”

Behind the scenes of Leah Remini and her family finding an interest in their local home in Los Angeles.